[....] Starting enhanced syslogd: rsyslogd[ 11.238800] audit: type=1400 audit(1514668871.562:5): avc: denied { syslog } for pid=3038 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.467775] audit: type=1400 audit(1514668878.791:6): avc: denied { map } for pid=3177 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. [ 24.591861] audit: type=1400 audit(1514668884.915:7): avc: denied { map } for pid=3191 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/30 21:21:25 parsed 1 programs 2017/12/30 21:21:25 executed programs: 0 [ 24.720867] audit: type=1400 audit(1514668885.044:8): avc: denied { map } for pid=3191 comm="syz-execprog" path="/root/syzkaller-shm534385476" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 24.746735] audit: type=1400 audit(1514668885.052:9): avc: denied { sys_admin } for pid=3196 comm="syz-executor0" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.837383] audit: type=1400 audit(1514668885.161:10): avc: denied { sys_chroot } for pid=3198 comm="syz-executor0" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 24.869212] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/30 21:21:30 executed programs: 119 2017/12/30 21:21:35 executed programs: 251 [ 35.535744] kvm: emulating exchange as write [ 37.750056] WARNING: CPU: 1 PID: 4304 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 37.759408] Kernel panic - not syncing: panic_on_warn set ... [ 37.759408] [ 37.766741] CPU: 1 PID: 4304 Comm: syz-executor0 Not tainted 4.15.0-rc5+ #242 [ 37.773982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.783302] Call Trace: [ 37.785864] dump_stack+0x194/0x257 [ 37.789460] ? arch_local_irq_restore+0x53/0x53 [ 37.794099] ? vsnprintf+0x1ed/0x1900 [ 37.797872] panic+0x1e4/0x41c [ 37.801036] ? refcount_error_report+0x214/0x214 [ 37.805755] ? show_regs_print_info+0x18/0x18 [ 37.810226] ? __warn+0x1c1/0x200 [ 37.813652] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 37.818633] __warn+0x1dc/0x200 [ 37.821880] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 37.826866] report_bug+0x211/0x2d0 [ 37.830467] fixup_bug.part.11+0x37/0x80 [ 37.834496] do_error_trap+0x2d7/0x3e0 [ 37.838350] ? trace_hardirqs_on+0xd/0x10 [ 37.842466] ? math_error+0x400/0x400 [ 37.846235] ? __lock_is_held+0xb6/0x140 [ 37.850273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.855086] do_invalid_op+0x1b/0x20 [ 37.858763] invalid_op+0x22/0x40 [ 37.862184] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 37.867768] RSP: 0018:ffff8801cdbcf6b0 EFLAGS: 00010293 [ 37.873096] RAX: ffff8801cd87c500 RBX: ffff8801c90ea000 RCX: ffffffff810df1cf [ 37.880331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cd459220 [ 37.887565] RBP: ffff8801cdbcfa40 R08: 1ffff10039b79eb8 R09: 0000000000000001 [ 37.894800] R10: ffff8801cdbcfa58 R11: 0000000000000000 R12: 0000000000000000 [ 37.902037] R13: 1ffff10039b79f72 R14: ffff8801d178b600 R15: ffff8801cd459000 [ 37.909285] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 37.914274] ? mark_held_locks+0xaf/0x100 [ 37.918389] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.923459] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.928441] ? trace_hardirqs_on+0xd/0x10 [ 37.932560] ? free_object+0x150/0x230 [ 37.936419] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 37.941228] ? debug_stats_show+0xd0/0xd0 [ 37.945342] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 37.950411] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 37.955399] ? debug_object_free+0x2f1/0x5a0 [ 37.959772] ? lockdep_init_map+0x9/0x10 [ 37.963800] ? debug_object_destroy+0x2b0/0x2b0 [ 37.968443] ? __wait_rcu_gp+0x230/0x340 [ 37.972482] ? synchronize_sched.part.64+0xac/0x100 [ 37.977465] ? synchronize_sched_expedited+0xf0/0xf0 [ 37.982532] ? call_rcu_bh+0x20/0x20 [ 37.986215] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 37.992068] ? put_pid+0x183/0x1f0 [ 37.995575] ? task_active_pid_ns+0xd0/0xd0 [ 37.999869] ? __might_sleep+0x95/0x190 [ 38.003817] kvm_vcpu_ioctl+0x64c/0x1010 [ 38.007845] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 38.012047] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 38.017905] ? find_held_lock+0x35/0x1d0 [ 38.021939] ? __fget+0x333/0x570 [ 38.025362] ? lock_downgrade+0x980/0x980 [ 38.029479] ? lock_release+0xa40/0xa40 [ 38.033424] ? __lock_is_held+0xb6/0x140 [ 38.037463] ? __fget+0x35c/0x570 [ 38.040891] ? iterate_fd+0x3f0/0x3f0 [ 38.044658] ? filename_mountpoint+0x2e7/0x450 [ 38.049207] ? rcu_note_context_switch+0x710/0x710 [ 38.054109] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 38.059959] do_vfs_ioctl+0x1b1/0x1520 [ 38.063815] ? _cond_resched+0x14/0x30 [ 38.067672] ? ioctl_preallocate+0x2b0/0x2b0 [ 38.072050] ? selinux_capable+0x40/0x40 [ 38.076081] ? SyS_futex+0x269/0x390 [ 38.079776] ? security_file_ioctl+0x89/0xb0 [ 38.084154] SyS_ioctl+0x8f/0xc0 [ 38.087492] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 38.092213] RIP: 0033:0x452ac9 [ 38.095369] RSP: 002b:00007f1992519c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 38.103044] RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9 [ 38.110280] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 38.117515] RBP: 00000000000005e2 R08: 0000000000000000 R09: 0000000000000000 [ 38.124750] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f6dd0 [ 38.131989] R13: 00000000ffffffff R14: 00007f199251a6d4 R15: 0000000000000002 [ 38.139805] Dumping ftrace buffer: [ 38.143380] (ftrace buffer empty) [ 38.147056] Kernel Offset: disabled [ 38.150651] Rebooting in 86400 seconds..